package com.feng.ems.service;

import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.feng.ems.bean.Book;
import com.feng.ems.mapper.BookMapper;
import org.springframework.stereotype.Service;

public interface BookService {
}
